James Keyworth wrote >>I actually envisage a single center/console-mounted stick to keep the cockpit as wide open as possible.<<

James --

   You might want to look at the article "Center Stick Arrangement" by Jerry Slocum in the Lancair Network News, Issue 17, Oct/Nov 1995. He did this in a 360. I looked at it several times - it was a nice job, but not a trivial bit of work. There is a photo in the article.
         Charles